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Sony CDU31A Series Service Manual page 93

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TOA1543A (PHILIPS)
-TOP VIEW-
BCK
ws
DATA
ws --t"-----1
DATA
- - t
3
"----ol
(1)0pttonor.
(2) 2 • 1/2 NE5532.
AOR
Vref
AOL
CONTROL
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TIMING
CURR[ NT
SOURCE
TC54256AF-SLCD ???
(TOSHIBAI
-TOP VIEW-
l';n
AO·A1'
00·07
CE
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VPP
vcc
GNO
p;n
Symbol
Doocriotion
I
BCK
bit clock
input
2
ws
__
,.....,
3
DATA
dotoinpul
~
GND
-
5
v..,
+5V-whl00
8
AOL
Iott -
outout
7
-
-""4-outout
8
N:YA
rilht-outout
CURRENT
SOURCE
IBL
l' ; n-
AddrM1 inPUt
0.te outDUt
Chip .,..bl.
input
OutDUt
control inouf
Program
~
IUDDIY
---y(+5VJ
Ground
7-16
7 Vref
Vout
loft
Vout
rifhl
__ 5,.._V.;:;DO.;:;__,,__ +5V
AO
Al
A2
AJ
A4
A5
A&
A7
A8
A9
AIO
All
Al2
A13
A14
100,.r
VPP
CNO
VCC
OE.CE
CIRCUIT
COLUMN.
OECOOER
ROW
DECODER
00 01 02 03 04 05 06 07
512
COLUMN CATE
MEMORY
CEU
ARRAY
32,768
x
8 BITS

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